Vitamin B12, also called cobalamin, is the only vitamin containing metal elements. The role and function of vitamin b12 are mainly to promote the development and maturation of red blood cells, prevent pernicious anemia, increase the utilization of folic acid, and promote the metabolism of carbohydrates, fats and proteins. The main points are as follows:

1. Medical
2. Poultry breeding:

1. Pork and chicken growth and anemia caused by vitamin B12 deficiency.

2. Endemic wasting disease in cattle and sheep in cobalt-deficient areas.

3. Non-specific treatment of neuritis and neuralgia.

4. Improve the utilization rate of feed protein.

5. The breeding of economic animals.

6. Treating fish eggs or fry with B12 solution can improve the fish's tolerance to toxic substances in the water such as benzene and heavy metals.
Three, other aspects

1. Food additives

2. It can be used as instrument coloring agent: such as ham, sausage, ice cream, fish sauce.

3. It can be used in cosmetics, soap, toothpaste, etc., it can also be used in toilets, refrigerators, oral cavity, etc. to deodorize and eliminate the odor of sulfides and aldehydes.